Modelsgpt-6-astra

OpenAI: GPT-6 Astra

gpt-6-astra

GPT-6 Astra is our most capable model, built for the hardest end-to-end work. Use it for complex reasoning, coding, computer use, research, and document creation. 1.05M context window; reasoning effort from low to max.

chattextvisionreasoningopenai

Capabilities & limits

Model type: Vision Language
Input modalities
Output modalities
Context: 1,050,000tokens
Max output: 128,000tokens
Vision / images: Yes
Tools & function calling: Yes

Updated Sep 3, 2026

Pricing

Pay as you go. Rates depend on the provider route you use; below is reference pricing when available.

Input tokens

Up to 272K
- Input tokens
  Input tokens minus Cache hit tokens, Cache creation tokens, then billed
  $10 / per 1M tokens
- Cache hit tokens
  $1 / per 1M tokens
- Cache creation tokens
  $12.5 / per 1M tokens
- Output tokens
  $50 / per 1M tokens
272K or more
- Input tokens
  Input tokens minus Cache hit tokens, Cache creation tokens, then billed
  $20 / per 1M tokens
- Cache hit tokens
  $2 / per 1M tokens
- Cache creation tokens
  $25 / per 1M tokens
- Output tokens
  $75 / per 1M tokens

One scenario is selected per request; prices from different rows are not added together. Within the selected scenario, the listed meter charges are added together. For adjusted meters, the named sub-meters are deducted before applying the rate.